SanDisk 64GB Extreme microSDXC, U3, C10, V30, UHS 1, 160MB/s R, 60MB/s W, A2 Card, for 4K Video Rec on Smartphones, Action Cams & Drones, SDSQXA2

Performance:The performance of this card is impressive, with read speeds of up to 160MB/s and write speeds of up to 90MB/s. While it is not the fastest on the market, it is more than sufficient for most tasks, including 4K video recording and high-resolution photography. The speed ratings of U3, C10, V30, and UHS-I make it a reliable choice for handling large files and intensive data tasks.Usability:One of the standout features of the SanDisk Extreme microSDXC card is its A2 rating, which signifies excellent app performance. This makes it an ideal choice for expanding storage on smartphones and tablets, ensuring apps run smoothly without significant lag.Quality and Reliability:SanDisk has a well-established reputation for producing high-quality memory products, and this card is no exception. It feels robust and durable, giving confidence that my data is secure. It’s also designed to be resistant to water, temperature extremes, shock, and X-rays, which adds an extra layer of protection for my data.Cost:While this card is on the pricier side, the cost is justified by its performance and reliability. For those who need a dependable and fast microSDXC card for high-stakes tasks like 4K video recording or extensive app usage, the extra expense is worth it.Data Transfer Speeds:Though the card boasts impressive speeds, I found that it is not the absolute fastest when it comes to data transfer. However, the speeds it offers are still very good and adequate for most users. Transferring large files and video footage is smooth, though if you require the fastest possible speeds, you might want to look at other high-end options.Conclusion:The SanDisk 128GB Extreme microSDXC card is a high-quality, reliable, and fast storage solution. It is particularly suited for users who need robust performance for 4K video, high-resolution photography, and app storage. While it is not the fastest card available and comes with a higher price tag, its overall performance and durability make it a worthwhile investment.

Great VFM option for fast storage.Have t=3 of these for use in my Sony FDR-X3000R (action cam), SONY A7M3K (full frame cam) and DJI Mavic Air (Drone).All of these devices are cable of doing 4k 100mbps and the card is good enough for that.Have not faced any data corruption till now.Write speed is fast enough even when using the card with the adapter in the A7M3. Have not faced any issue wherein the buffer wasnt able to write to the card or the cam stopped shooting as the card was not fast enough to clear the buffer.In comparison the SanDisk Extreme Pro SD card costs 1.3k more than this and offers only 10MB/s more of read speed. Hence getting the MicroSD for the cam was a no brainer.\If you are looking for cheap and fast storage, get this eyes closed.

Good enough for writing raw files with high end cameras. - I can vouch for up to 24-30 mpx files. Even bursts/brackets of 3-4 exposures is fine. If you are shooting sony A7r series or medium format, and use lot of burst shooting/bracketing, then I am not sure if it'll keep up.On my Fuji XT2 - wih 24 mpx raw files it mostly works quite well. When I try to do focus bracketing (7-8 shots) it can take a little time to save. You might miss some shooting opportunities in such cases, but it is rare, as you will typically be using focus bracketing and such techniques only for situations such as landscapes which call for more deliberate and slow approach. Still, if this is important, go for UHS-II.For most people though, this is a great cost to performance ratio. After this, the price increases quite sharply. Also note currently (as of Nov 2019) this extreme series 128 GB card has been updated more recently than the extreme pro counterpart, and is actually slightly faster (strange but true). Once the extreme pro line is updated, it will obviously be even faster. Please read online reviews before buying if this review is dated by then.Also, go for the 128 gb instead of the 64 gb because the 64Gb has a slower write speed. the increase in price is worth it both for the extra storage and the extra speed.

Does it job perfectly. Has enough speed to handle 4k. I use it on my smartphone, mijia sphere 360° panaromic 4k camera and Go Noise play 2 action camera.All of the abive has 4k abilities and this SD card handles them the best.I know its expensive compared to other sd cards but this is sandisk extreme made for special task. Hence the pricing has to be accordingly.I would recommend this card in its class.

Class 10 SDHC card would give me 12 MB/s transfer speed when copying to card from SSD and 80 MB/s when copying to SSD from card. (₹4000)This one UHS A2 gives me 80 MB/s on both - copying to card from SSD and copying from card to SSD. (₹7000)For my use case, the extra speed was worth the price - It’s like my device has a new hard disk now. You can get the same performance for ₹3000 approx with USB 3.0 external HDD. That’s what I told myself when I bought my Surface Pro but in my experience, the portable HDD is really inconvenient. It’s a big thing to carry around and you have to plug it in every time.Things to keep in mind:1. Don’t store sensitive data on it - anyone can physically steal the card from your device. And encrypting the card with a password will slow things down which defeats my purpose.2. Format to NTFS before using - if you are going to use it as expanded storage for windows.

Very easy to use n install